Home / 3,168.48-4,371.60-2,049.44

Finding the Fourth Proportional to 3,168.48, 4,371.60 and 2,049.44

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Solution

The fourth proportional to 3,168.48, 4,371.60 and 2,049.44 is: 2,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.48 : 4,371.60 = 2,049.44 : x
  2. Step 2: Convert to fraction form
    3,168.48/4,371.60 = 2,049.44/x
  3. Step 3: Cross multiply
    3,168.48x = 4,371.60 × 2,049.44
  4. Step 4: Simplify right side
    3,168.48x = 8,959,331.90
  5. Step 5: Solve for x
    x = 8,959,331.90/3,168.48
  6. Step 6: Final answer
    x = 2,827.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.